🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.3

Radius: 13.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.78 AU - 1.04 AU

Year: 599 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,067,595 km

• M1: 166,652 km (0.114 R)
• M2: 655,089 km (0.088 R)
• M3: 1,088,773 km (0.072 R)
• M4: 1,558,959 km (0.112 R)
• M5: 2,027,201 km (0.034 R)
• M6: 3,133,776 km (0.091 R)
• M7: 3,654,975 km (0.119 R)
• M8: 4,301,836 km (0.098 R)
• M9: 4,858,490 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.7

Radius: 11.5

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.2 AU - 1.26 AU

Year: 942 Days

Day: 5.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,067,595 km

• M1: 143,764 km (0.107 R)
• M2: 688,449 km (0.1 R)
• M3: 1,110,465 km (0.085 R)
• M4: 1,722,619 km (0.027 R)
• M5: 3,983,043 km (0.043 R)
• M6: 4,607,315 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.6

Radius: 8.4

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.21 AU - 1.31 AU

Year: 976 Days

Day: 6 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,067,595 km

• M1: 104,719 km (0.112 R)
• M2: 368,310 km (0.112 R)
• M3: 646,113 km (0.037 R)
• M4: 977,772 km (0.101 R)
• M5: 1,569,880 km (0.063 R)
• M6: 1,832,424 km (0.065 R)
• M7: 2,780,127 km (0.044 R)
• M8: 3,181,498 km (0.099 R)
• M9: 3,451,672 km (0.094 R)
• M10: 4,405,059 km (0.061 R)
• M11: 5,023,496 km (0.099 R)
• M12: 5,486,053 km (0.105 R)
• M13: 5,796,917 km (0.119 R)
• M14: 6,390,223 km (0.03 R)
• M15: 6,956,002 km (0.07 R)
• M16: 7,649,986 km (0.077 R)
• M17: 8,389,299 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.2

Radius: 11.9

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.27 AU - 1.65 AU

Year: 1218 Days

Day: 6.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,067,595 km

• M1: 148,102 km (0.059 R)
• M2: 536,308 km (0.106 R)
• M3: 936,483 km (0.072 R)
• M4: 1,329,327 km (0.104 R)
• M5: 1,722,171 km (0.091 R)
• M6: 2,293,635 km (0.065 R)
• M7: 4,033,757 km (0.115 R)
• M8: 5,187,306 km (0.113 R)
• M9: 6,182,581 km (0.117 R)
• M10: 7,027,809 km (0.034 R)
• M11: 8,890,302 km (0.104 R)
• M12: 9,598,798 km (0.066 R)
• M13: 9,998,074 km (0.059 R)
• M14: 10,666,478 km (0.108 R)
• M15: 11,364,651 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.5

Radius: 8.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.38 AU - 3.12 AU

Year: 3148 Days

Day: 11.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,067,595 km

• M1: 102,475 km (0.119 R)
• M2: 452,534 km (0.119 R)
• M3: 739,313 km (0.066 R)
• M4: 1,061,397 km (0.078 R)
• M5: 1,453,194 km (0.07 R)
• M6: 1,920,388 km (0.119 R)
• M7: 2,683,636 km (0.112 R)
• M8: 4,212,377 km (0.109 R)
• M9: 5,373,107 km (0.064 R)
• M10: 7,385,796 km (0.086 R)
• M11: 7,752,012 km (0.117 R)
• M12: 8,494,317 km (0.11 R)
• M13: 9,395,644 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.3

Radius: 10.8

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.33 AU - 3.87 AU

Year: 4715 Days

Day: 14.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,067,595 km

• M1: 134,339 km (0.077 R)
• M2: 568,472 km (0.041 R)
• M3: 929,601 km (0.103 R)
• M4: 1,520,513 km (0.031 R)
• M5: 2,836,974 km (0.104 R)
• M6: 3,519,888 km (0.099 R)
• M7: 4,186,048 km (0.12 R)
• M8: 5,500,714 km (0.09 R)
• M9: 6,496,736 km (0.037 R)
• M10: 6,899,903 km (0.062 R)
• M11: 7,608,996 km (0.11 R)
• M12: 8,249,425 km (0.09 R)
• M13: 8,925,308 km (0.108 R)
• M14: 9,637,843 km (0.06 R)
• M15: 9,985,957 km (0.079 R)
• M16: 10,753,843 km (0.115 R)
• M17: 13,672,497 km (0.091 R)
• M18: 14,848,187 km (0.1 R)
• M19: 16,029,561 km (0.112 R)
• M20: 17,722,261 km (0.052 R)
• M21: 19,462,085 km (0.112 R)
• M22: 23,590,986 km (0.112 R)
• M23: 24,385,201 km (0.117 R)
• M24: 25,033,259 km (0.038 R)
• M25: 26,533,576 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.2

Radius: 8.8

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.48 AU - 5.7 AU

Year: 6788 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,067,595 km

• M1: 109,506 km (0.082 R)
• M2: 388,655 km (0.042 R)
• M3: 712,983 km (0.076 R)
• M4: 1,523,355 km (0.065 R)
• M5: 2,162,288 km (0.049 R)
• M6: 2,625,143 km (0.09 R)
• M7: 2,910,127 km (0.06 R)
• M8: 3,520,337 km (0.066 R)
• M9: 4,606,118 km (0.067 R)
• M10: 5,556,514 km (0.056 R)
• M11: 5,932,752 km (0.109 R)
• M12: 7,237,695 km (0.052 R)
• M13: 7,918,514 km (0.106 R)
• M14: 8,314,949 km (0.1 R)
• M15: 9,276,863 km (0.087 R)
• M16: 12,714,622 km (0.099 R)
• M17: 13,313,911 km (0.119 R)
• M18: 14,745,862 km (0.047 R)
• M19: 16,789,668 km (0.117 R)
• M20: 17,711,341 km (0.036 R)
• M21: 19,871,384 km (0.049 R)
• M22: 20,456,312 km (0.071 R)
• M23: 24,043,819 km (0.032 R)
• M24: 29,703,106 km (0.05 R)
• M25: 33,863,572 km (0.087 R)
• M26: 34,487,994 km (0.09 R)
• M27: 35,438,988 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.8

Radius: 6

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.77 AU - 11.45 AU

Year: 20563 Days

Day: 18 Hours

Environment

Temp: -232 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,067,595 km

• M1: 78,389 km (0.031 R)
• M2: 339,288 km (0.104 R)
• M3: 1,000,810 km (0.088 R)
• M4: 2,309,941 km (0.093 R)
• M5: 2,624,844 km (0.118 R)
• M6: 3,551,902 km (0.097 R)
• M7: 4,089,557 km (0.076 R)
• M8: 4,978,767 km (0.114 R)
• M9: 5,838,207 km (0.097 R)
• M10: 7,755,154 km (0.041 R)
• M11: 7,985,983 km (0.074 R)
• M12: 8,510,174 km (0.096 R)
• M13: 9,521,306 km (0.117 R)
• M14: 10,330,631 km (0.096 R)
• M15: 11,068,298 km (0.097 R)
• M16: 11,779,935 km (0.075 R)
• M17: 12,458,660 km (0.1 R)
• M18: 13,625,075 km (0.096 R)
• M19: 15,727,823 km (0.076 R)
• M20: 16,856,239 km (0.069 R)
• M21: 24,682,153 km (0.036 R)
• M22: 25,893,746 km (0.103 R)
• M23: 26,933,301 km (0.076 R)
• M24: 29,541,241 km (0.082 R)
• M25: 33,031,958 km (0.108 R)
• M26: 33,395,481 km (0.112 R)
• M27: 33,884,217 km (0.115 R)
• M28: 34,377,890 km (0.062 R)
• M29: 35,127,076 km (0.11 R)
• M30: 36,143,145 km (0.115 R)
• M31: 37,703,600 km (0.07 R)
• M32: 43,663,879 km (0.067 R)
• M33: 43,955,445 km (0.088 R)
• M34: 52,656,506 km (0.096 R)
• M35: 59,172,241 km (0.095 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 17,713 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit